DynamicsThe power developed by a man in riding up a 6 percent grade at a constant speed is 200 w. The man and his bicycle have a combined mass of 80 kg. Determine the speed of riding
Tuesday, July 31, 2012 at 1:55am

7th grade math1. Substitute: Ms.Kubagwa is six years younger than Ms. Vea. The sum of there ages is 52 years. I HAVE NO CLUE WHAT TO DO HERE!! 2.Ms.starbrowski has four more pens than Mr.Dukeman. Together they have 34 pens. How many pens does Ms.Starbrowski have? *Please explain how you ...
Thursday, July 26, 2012 at 2:35pm

statistics1. How do the 3rd grade boys weight in Principal Bens school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis
Wednesday, July 25, 2012 at 1:22pm

Principle processes of flotation separation of PolDirect Preferential Flotation Definition of this method is: separate various helpful minerals in proper order. With its feature of high flexibility, it can adapt the change of ore grade, especially for sulphide ore of high grade. Xilin, Fankou, Lechang lead-zinc dressing plant...
Sunday, July 22, 2012 at 10:08pm

PsychologyNisa has grown up in a small village in the foothills.There was no electricity,and water had to be hand-pumped.They seldom saw people from the "outside."When she entered school,the bus had to pick her up at 6:30 a.m.in order for her to arrive at school by 8:30 a.m....
Tuesday, July 10, 2012 at 9:42am

physicssuppose your car is on a 5% grade,if your car weighs 15,000N what is the component of its weight parallel to the road?
Saturday, July 7, 2012 at 4:12pm

8th Grade English Basic Skills Survey???? I went on my school's website for 8th grade this what we be doing in september: English Diagnostic Basic Skills Survey Summer Reading Assessment Friendly Letter Review Business Letter i already know about the summer reading and friendly letter thing...
Saturday, July 7, 2012 at 3:59pm

Grammar What does nonessential appositives and appositive phrase or phrases mean? (It's the common rules 3a.. Untit 5, 7th Grade.)
Wednesday, June 27, 2012 at 10:05pm

Grade 11 MathFrom a window in apartment building the angle of evaluation from the top of the flag pole across the street is 9 degrees. The angle of depression is 22 to the base of flag. How tall is flag pole to the nearest of tenth meter?
Sunday, June 17, 2012 at 6:31pm

mathok i have 10th grade math next year and i dont even know half the stuff for this year and its summer brake and im worrying about math..what do i do
Thursday, June 14, 2012 at 2:53am

angebraok i have 19th grade algebra next yeah and i dont even know half the stuff from thid year...soo what di i do cuz i am totsly going to fail i mrn itd summy snd im worried about algebra
Thursday, June 14, 2012 at 2:51am

12th grade matha block of mass 77kg is placed at the top of a frictionless plane that is inclined 46degrees to the horizontal. The height of the plane is 23 meters. find the speed of the block at the bottom of the plane. Show the steps please, -thanks
Monday, June 11, 2012 at 8:17pm

fourth grade maththe passengers of a cruise ship were shocked to learn that their ship was sinking. the ship is 218 ft tall and is sinking at the rate of 1/2 ft per minute. how long do the passengers have to abandon the ship?
Tuesday, June 5, 2012 at 8:40pm

to ms.suewhen i went on my school website: philasd dot org: mayfair school, the summer project for going to 5th grade was confusing and what does it mean by diagnol, across?
Tuesday, June 5, 2012 at 8:39pm

3 grade math ms sue1-Two shapes can be put together in different ways. using the triangles in exercise 1,draw pictures to show an example. my son need help in here please help my son thank you
Tuesday, June 5, 2012 at 4:12pm

mathIn your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, ...
Sunday, June 3, 2012 at 1:39pm

Introduction to PsychologyAlexander, a fifth- grade teacher, believes that Kimberly's behavior is a result of poor parenting, The school concerned with her inability to focus, attend to directions, and recall information from the previous day or events from earlier in the day.
Wednesday, May 30, 2012 at 11:37am

3rd grade math Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways can Sam complete ...
Tuesday, May 29, 2012 at 11:33pm

3rd grade math Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways can Sam complete ...
Tuesday, May 29, 2012 at 11:33pm

10th grade chemistry If an excess of nitrogen gas reacts with 25.0 L of hydrogen gas, according to the reaction below, how many L of ammonia will be produced? N2(g) + 3H2(g) ---> 2NH3(g)
Tuesday, May 29, 2012 at 6:27pm

Math (grade 10)On the design plan for a garden, a straight path suns from (-25,20) to (40,36). A lamp is going to be placed at the midpoint of the path. Determine the coordinates for the lamp.
Monday, May 28, 2012 at 6:12pm

6th grade mathFind the volume of the right triangular prism. The bases are equilateral triangles with a length of 6 mm. The height of the prism is 8.4 mm. (Round to the nearest tenth.)
Monday, May 28, 2012 at 3:29am

3 grade math ms sue1-Explain how you can use a number line to show that 3/6 and 1/2 are equivalent fractions. my son write- you can show these fractions are equivalent because if the numerator is half of the denomirator it can be 1/2 so 3/6 is just like 1/2. so thats why they are equivalent. ...
Wednesday, May 23, 2012 at 8:28pm

grade 11 mathat giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal
Tuesday, May 15, 2012 at 3:49pm

8 th grade matheach side of square is 6 in. long . a scale factor of 2/3 is used to draw a similar square. how long is each side of similar square . choices are 4in. ,6 in., 8in. ,answer not here i chose 8 in. is that right
Monday, May 14, 2012 at 9:53pm

math 8th gradeif length and width of a 3in. x5 ln. photo are tripled what scale factor relates the area 3,9,12,27 i answered 27 is this correct i tried 9 but got no answer
Monday, May 14, 2012 at 9:22pm

8th grade math length and width of a 3ln. x 5jn. photo are tripled what scale factor relates the areas choices are 3,9,12,27 i chose 3 because it said triple is that right
Monday, May 14, 2012 at 8:31pm

8 th grade maththere are 6cars,2 trucks, and 2 motorcycles in parking lot. what is the probability that the first vehicle will be a truck? choices are 1/10 ,4/5, 1/5 or answer not here . i answered 1/10 is this right
Monday, May 14, 2012 at 7:50pm

8 th grade mathperimeter of rectangular is 32 in .what are the length and width that will give the rectangle the largest possible area 4in,x12in. 5in.x11 in. ,7in. x9in. ,8in x8in. i answered 8x8
Monday, May 14, 2012 at 7:28pm

6th grade mathPlease check to make sure I did these correctly, so confusing. Thank you. Rename each fraction as a terminating or repeating decimal 13/20 .65 1/3 0.3333333333333333 2/9 0.2222222222222222 5/12 0.4166666666666667 1/16 0.0625 Rename each mixed number as a terminating or ...
Sunday, May 13, 2012 at 9:44pm

PsychologyAlexander, a fifth grade teacher, believes that Kimberly's behvior is a result of poor parenting. The school counselor is concerned with her inability to focus, attendto directions, and recall information from the prevous day or events from earlier in the day. Alexander ...
Sunday, May 13, 2012 at 6:20am

writingI have a dispute with my teacher in 7th grade. In referring to McCarthyism in the phrase "towards the end of this reign of terror", is "reign of terror" a metaphor? Thanks.
Thursday, May 10, 2012 at 10:59am

6th Grade GeographyWhy is the Yangtze River referred to as the Golden Water way? I think it is because of how long it is, and then the fact that it runs from the Himalayas, Other than that I have no answer.
Wednesday, May 9, 2012 at 6:19pm

fourth grade mathA plan for a playground is a square shape witha perimeter of 32 units. What would be the area of this playground in square units? Explain how you get the answer using pictures, numbers, or words
Wednesday, May 9, 2012 at 5:58pm

englishi have to do an english presentaion for my grade 12 class about a book that i was assigned, how can i involve the class in my presentation?, the book i had to read is called "fall on your knees"
Tuesday, May 8, 2012 at 7:08pm

Chemistry Grade 12Given the following equation, C3H8 (g) + 5O2 (g) -> 3CO2 (g) + 4H2O (g); H comb = -2219 kJ/mole A) how much heat will be released when 10 g of propane is burned? B) how much heat will be released when 10 g of water (H2O) is formed? Please show all work.
Tuesday, May 8, 2012 at 5:51pm

6th grade historyIn a short responce, explain how life in the Roman Empire was affected by the empirial rule. Answer is backed up with evidence or proof. So please send me a link to the website that you got it from. Thank you for your coroporation.
Sunday, May 6, 2012 at 2:15am

6th Grade Science How did earthquakes contribute to the destruction of over seventy villages in Tibet? What does a concave scar on a hillside reveal about the formation of the landscape? How can erosion form new land? Please help me. I don't have any answers and I really need help. Thank ...
Friday, May 4, 2012 at 4:22pm